package com.wsl.service;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;


/**
 * @Author:WangShuliang
 * @Description:
 * @Date:Created in 8:47 2017/12/12
 * @Modified by:
 */
@Service
public class MailService {
    private final Logger logger = LoggerFactory.getLogger(this.getClass());
    @Autowired
    private JavaMailSender mailSender;

    /**
     * 发送简单的邮件
     * @param to
     * @param subject
     * @param content
     */
    public void sendSimpleMail(String to,String subject,String content){
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom("1294255433@qq.com");//发送者
        message.setTo(to);//接受者
        message.setSubject(subject);//主题
        message.setText(content);//内容
        try{
            mailSender.send(message);
            logger.info("简单邮件已经发送");
        }catch(Exception e){
            logger.error("发送简单邮件时发生异常",e);
        }
    }

    /**
     * 发送html邮件
     * @param to
     * @param subject
     * @param content
     */
    public void  sendHtmlMail(String to,String subject,String content)  {
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message,true);
            helper.setFrom("1294255433@qq.com");
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content,true);
            mailSender.send(message);
            logger.info("html邮件发送成功");
        } catch (MessagingException e) {
            logger.error("发送html邮件时发生异常！",e);
            e.printStackTrace();
        }
    }


    /**
     * 发送html邮件
     * @param to
     * @param subject
     * @param content
     */
    public void  sendAttachmentsMail(String to,String subject,String content,String filePath)  {
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message,true);
            helper.setFrom("1294255433@qq.com");
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content,true);

            FileSystemResource fileSystemResource = new FileSystemResource(new File(filePath));
            String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
            helper.addAttachment(fileName,fileSystemResource);
            mailSender.send(message);
            logger.info("带附件的邮件发送成功");
        } catch (MessagingException e) {
            logger.error("发送带附件的邮件时发生异常！",e);
            e.printStackTrace();
        }
    }

    /**
     * 发送嵌入静态资源(一般是图片)的邮件
     * @param to
     * @param subject
     * @param content 邮件内容  需要包括一个静态资源的id 比如:<img src=\"cid:recId01\">
     * @param rscPath 静态资源路径和文件名
     * @param recId 静态资源的ID
     */
    public void sendInlineResourceMail(String to,String subject,String content,String rscPath,String recId){
        MimeMessage message = mailSender.createMimeMessage();
        try {
            //true 表示要创建一个multiPart message
            MimeMessageHelper helper = new MimeMessageHelper(message,true);
            helper.setFrom("1294255433@qq.com");
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content,true);

            FileSystemResource resource = new FileSystemResource(new File(rscPath));
            helper.addInline(recId,resource);
            mailSender.send(message);
            logger.info("嵌入式静态资源的邮件已经发送");
        } catch (MessagingException e) {
            logger.error("发送嵌入式静态资源的邮件发送时发生异常");
            e.printStackTrace();
        }
    }



}